Hits:
Service Invention or Not:no
Pre One:一种声表面波反射栅, 中国发明专利, ZL2012100567874, 申请日:2012-03-06,授权日:2014-10-15.
Next One:一种测量镶嵌薄膜杨氏模量的方法, 中国发明专利, ZL 2011103782670, 申请日:2011-11-24, 授权日:2013-07-24.